Base | Representation |
---|---|
bin | 10001111101010… |
… | …01010111010111 |
3 | 101111110022100111 |
4 | 20332221113113 |
5 | 302030440322 |
6 | 22540423451 |
7 | 3506263633 |
oct | 1076512727 |
9 | 344408314 |
10 | 150640087 |
11 | 7803a144 |
12 | 42547b87 |
13 | 25294360 |
14 | 16013dc3 |
15 | d359177 |
hex | 8fa95d7 |
150640087 has 16 divisors (see below), whose sum is σ = 170412480. Its totient is φ = 132118272.
The previous prime is 150640081. The next prime is 150640117. The reversal of 150640087 is 780046051.
It is a de Polignac number, because none of the positive numbers 2k-150640087 is a prime.
It is a super-2 number, since 2×1506400872 = 45384871622735138, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150640081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45339 + ... + 48547.
It is an arithmetic number, because the mean of its divisors is an integer number (10650780).
Almost surely, 2150640087 is an apocalyptic number.
150640087 is a deficient number, since it is larger than the sum of its proper divisors (19772393).
150640087 is a wasteful number, since it uses less digits than its factorization.
150640087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3402.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 150640087 is about 12273.5523382597. The cubic root of 150640087 is about 532.0839831517.
The spelling of 150640087 in words is "one hundred fifty million, six hundred forty thousand, eighty-seven".
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